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30fd224504
Add a new middleware that tells you who you are; IP, port and transport is echoed back. Also some various cleanup and documentation improvements while at it: * ResponseWriter: improve the documentation of these helper functions. * And add an NextHandler for use in tests. Make chaos_test.go and * whoam_test.go use it.
39 lines
768 B
Markdown
39 lines
768 B
Markdown
# whoami
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whoami returns your local IP address, port and transport used. Your local IP address is returned in
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the additional section as either an A or AAAA record.
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The port and transport are included in the additional section as a SRV record, transport can be
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"tcp" or "udp".
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~~~ txt
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._<transport>.qname. 0 IN SRV 0 0 <port> .
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~~~
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The *whoami* middleware will respond to every A or AAAA query, regardless of the query name.
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## Syntax
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~~~ txt
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whoami
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~~~
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## Examples
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~~~ txt
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.:53 {
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whoami
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}
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~~~
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When queried for "example.org A", CoreDNS will respond with:
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~~~ txt
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;; QUESTION SECTION:
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;example.org. IN A
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;; ADDITIONAL SECTION:
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example.org. 0 IN A 10.240.0.1
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_udp.example.org. 0 IN SRV 0 0 40212
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~~~
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